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STOCK PLANS AND STOCK-BASED COMPENSATION - Additional information (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Jul. 31, 2017
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Number of issuance of common stock |  |  |  |  | 1,800,000
Shares available for grant | 1,517,449 |  | 1,517,449 |  |
Total intrinsic value of stock options exercised |  |  | $ 7,000 | $ 25,000 |
Stock options exercised (in shares) |  |  | 1,511 | 6,000 |
Stock options |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Number of stock options granted |  |  | 0 | 0 |
Unrecognized compensation expense | $ 0 |  | $ 0 |  |
Maximum term of stock options granted |  |  | 10 years |  |
Stock based Compensation Expense |  |  | $ 0 | $ 0 |
Stock options | Minimum |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Vesting period |  |  | 0 years |  |
Stock options | Maximum |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Vesting period |  |  | 5 years |  |
Restricted stock |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Number of stock awards granted |  |  | 71,696 | 69,285 |
Unrecognized compensation expense | 539,000 | $ 549,000 | $ 539,000 | $ 549,000 |
Stock based Compensation Expense | $ 100,000 | $ 112,000 | $ 292,000 | $ 289,000 |
Restricted stock | Weighted average |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Vesting period |  |  | 1 year 3 months 29 days | 1 year 9 months 10 days |
Performance Based |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Number of stock awards granted |  |  | 56,125 | 54,011 |
Time Based |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Number of stock awards granted |  |  | 15,571 | 15,274 |
Trust Company | Stock options |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Number of stock options granted |  |  | 0 | 0 |
Trust Company | Stock options | President and Chief Executive Officer |  |  |  |  |
STOCK PLANS AND STOCK-BASED COMPENSATION |  |  |  |  |
Number of stock options outstanding | 0 | 0 | 0 | 0 |
Stock options exercised (in shares) |  |  | 0 | 500 |

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